Pneumatic cleaning-tool.



PATENTBD MAR. 24, 1908.

. c. MOUKOS.

PNEUMATIC CLEANING TOOL.

APPLICATION FILED APR. 8, 1907.

W122: eases-.-

@Z-s/ilern e ya; I

' conjunction with the tool NI ED sir-Arias PATENT OFFICE. I

onARLE's MoUKos, or MILWAUKEE, WISCONSIN, ASSIGNOR "r0 FRANK 'J.MATCHETIE, or

- 'IMILWAUKEE, WISCONSIN.

PNEUMATIC CLEANING-TOOL.

Specification 51 Letters Patent.

Patented March 24, 1908.

Application filed April 8, 1907. Serial No. 366,954.

To all whom it may concern:

Beit known'tha't'I, CHARLES MOUKOS, a citizen of the United-States, andresiding at Milwaukee,-in the county of Milwaukee and State ofWisconsin, have invented certain new and useful Improvements inPneumatic Cleaning-Tools, of which the following is a specification,reference being had to the accom anying drawing, forming apart thereof.y invention relates to improvements in pneumatic cleaning tools and moreespecially to the class of handles adapted for use with tools employingair as a cleaning agency in roper. The'objects of my invention are toprovide an improvement in means whereby a tool handle when attached tothe tool may be adapted to turn to any desired position out of t enormal, should it be desired to use the tool for sweeping in placesdifficult to reach -when the handle is held in the ordinarysweeping-position and at the same time provide an air tight jointbetween the handle and tool that will preserve a clear unobstructed airpassage there between in all positions of the handle.

Other objects and novel features of construction will be pointed out anddescribed in the specification following and are illustrated in'thedrawing. accompanying and forming a part of said specification whereinmy improved means for connecting a tool and tool handle are shown inconnection with a pneumatic cleaning brush.

elevation of t e device showing the clamping member in section and-theexternal appearance of the joint; and Fig. 3 is a deta1l view showingthe structure of the clamping member.

In the drawing, a brush 1 of a constructron common to pneumatic cleaningbrushes is provided with a skirt or casing 2, which is i bet of themember 1 Integral with the late 5 and curving upwardly and outward ytherefrom is a barrel 7 provided with a bore 7 which latter is largesttowards the outer end of the member 7 and is contracted adjacent to thenozzle 4 so that the internal bore 4 of the nozzle 4 and the bore 7 ofthe member 7 form a continuous passageway, the faces of each of themembers 4 and 7 lying flush with each other and offering no protrudingparts that may collect dust or interfere with the free passage of theair through the channel or bore in said member.

At the outer end of the member 7 is formed an annular rim 8, this beingpreferably formed integral with the member 7. The rim or flange 8 isrovided with a beveled exterior face 9 whic 1 slopes rearwardly from theouter face of the member 7 toward the main body thereof. This rim orflange 8 is further provided with a rabbet 9 which forms a seat in theouter face of the member ,7, the purpose of which will hereinafter bemore specifically set forth. To cooperate with the member 7 and theflange 8 above described, there is provided a barrel 12 which issimilarly to the member 7 provided with a rim or flange 13 having abeveled face 13'.

This flange 13 is further provided with a projecting face or shoulder14. The object of this projecting face 14 is to seat within the rabbet 9of the member 7 when the parts are secured in operative position.

It is to be noted that when the parts are brought together in o erativerelation that the projecting rim or s oulder formed on the outer face ofthe member 12 seats in the rabin such a manner as to form a flush joint.The projecting portion 19 of the member 7 forms a bearing face whichrests against the recessed 'portion of the member 12, the interior facesof each of these portions lying flush with each other and preferably ofa ilexiblematerial impervious not in any way obstructing the bore of theto the air, secured to a body 3 through which 5 barrel thus formingpractically an air tight extends a nozzle 4 provided with a borc 4.joint and also one oflermg no obstruction to Set u on the up er face ofthe body portion the free passage of air and of dustand dirt 3 of t ebrush 1 1s a plate 5 which preferably 1 through the bore of the brushhandle.

iscircular in formatlon and is secured in the present instance b meansof screws 6.

' It is to be on erstood that the plate 5 maybe secured inany suitablemanner to the chan e in the osition ofthe barrel or handle 17 w on is aapted to enter the member 12 within the recessed portion 18 of saidmember 12. This handle 17 is so disposed the member 12 as to have itsbore in aimement with the bore of the member 12, the interior face ofsaid member 17 lying flush with the interior unrecessed face of themember 12.

By a rotation of the handle 17 in either direction from its position inFig. 2, and consequently the member 12, the former can be made to assumevarious positions intermediate the normal sweeping position illustratedin Fig. 2, and the horizontal position shown in Fig. 1, forcleaningunder furniture and other places not readily accessible with ahandle disposed relative to the tool body, as

. the screw 11.

seen'in Fig. 2.

In order to secure the brush handle to the member 7', the member 12 isadapted to be clamped to the member 7 by means of a tightening the screw11 the clamping ring 10 more firmly secures the members 7 and 12 inlocked position and similarly by loosening the screw 11 these membersmay be permitted a freer rotation or entirely removing the clamping ringthe members may be separated. l

The ring 10 is normally loosely clamped about the meeting faces ofthe'members 7 and 12, so that while insuring an air tight 'oint, it doesnot cause too eat a friction etween the parts, but permits an easy andfree movement therebetween.

For the purpose of securing the barrel or handle 17 within the member 12there are provided 111 s 15, 15 upon the outer surface of the mem% drawntogether by means of the thumb screw 16. This clamping member consistingof the lugs 15, 15 and thethumb screw 16 secures the member 17 in lockedengagement within the member 12 and should it be desired to remove thismember 17 the clamping member'just described is loosened to permit oftheeasy removal of the member 17 The oper'aLion of the device herein de--scribed is readily apparent from the foregoing descri tion but may besummed up briefl as ollows. When the parts are as semb ed member 12through means of its projecting rim13, seats within the recess 9 of themember 7 with its bearing face 20 resting upon the bearing face 19 ofthe member 7.

er 12 which are adapted to be p The clamping ring is then placed inoper-' 'ative position and is tightened to secure together, and at thesame 'time permit a free -movement of the parts,.the handle 17 and themember 12, the handle being ordinarily at the normal angle convenientfor sweeping as shown in Fig. '2'. When it is desired to sweep in placesnot readily accessible-in the normal position of the handle, the handletogether with member 12 is turned until such a position or angle isreached as will enable the o erator to readily sweep the portion of thecor desired. After sweeping this portion of the floor it is of courseunderstood that the handle. is turned back to its norinal position, thisbeing done without the operator being bothered with any ad'ustments ofscrews, clamping means or ot er parts. These adjustments in the positionof the handle are accomplished by the movement .of'the op'erators arm insweeping, and take place as often as the need arises in the course ofoperation'of the tool; In the actual use of the tool, the clamping ringis normally ad justed to permit of an easy and free movement between thetwo barrels. This freedom of movement allows the handle to be rotatedwas to assume various positions between the normal sweeping position ofFig. 2 and that shown in Fig. 1, in harmony with the movements'of theoperators arm, and

without interruption of. the operation of swee ing, for the purpose ofadjusting the han e. Owing to the angular relation of the meeting facesof the two barrels, the handle receives upon rotation two adjustmentsrelative to the brush, that of its vertical angle and also that of itshorizontal angle thereto, so that beside taking any desired verticalposition, it'is turned to one side or the other to take u any desiredhorizontal I an 1e with the brus The handle is thus se -adjustin inactual use, to the movement of the arm 0 the operator, and freely adaptsitself to. the various changes in position neces-. sarily assumed bythe. operators arm in sweeping beneath and around sundry articles offurniture and other objects.

The special structure'of the joint which permits of the accomplishmentof the objects herein-before set forth has been described and theoperation of the brush handle provided with this special construction ofjoint fully set forth. It is understood that only the preferable form ofthis joint constituting my present invention has been described and thatvarious modificationsmay be introduced into details thereof without inthe least departing from the spirit and member having its end face cutaway at an oblique angle, and provided with an annular rim, a rotatablebarrel having its end face cut at an oblique angle and provided with anannular rim, said barrel being mounted for rotation upon the tubularmemher, the annular rims and angular end faces of the partsinterfittingj and adjustable means for securing these parts in operativeposition and to permit rotation of the barrel about the tubular member,substantially as described.

2. In a pneumatic cleaning tool of the character described, a tubularmember having its end'iace out at an oblique angle, an annular rimformed thereon and provided with a rabbet, said rim being provided witha projecting portion, a rotatable barrel having its end face cut at anobli ue angle and provided with an annular rim iaving a projectingportion and a recess, said projecting portion of the rim being adaptedto seat within the rabbet of the tubular member when the parts arebrought into operative clamping means for securing thebarrel upon thetubular member, said clamping means permitting the free rotation of thetubular member, and a tubular handle mounted within said barrel.

4. The combination, in apneumatic cleaning tool, oi a tubular member, abarrel rotatably mounted upon said tubular member, the end faces of thetubular member and barrel being cut away at oblique angles andcontacting, and adjustable clamping means for holding said barrel inrotative relation to the tubular member, and permitting the horizontaland vertical angular adjustment of the barrel with respect to thetubular member, substantially as described.

5. In a pneumatic cleaning tool, a tubular supporting member mountedupon the tool. an annular rim disposed at the outer end 01 saidsupporting member, said rim being provided with a bearing face and arabbet, a barrel provided with a rim coi'iperating with the rim of thesupporting member and seat ing within the rabbet thereof and against thebearing face of said supporting member rim, and means for looselyclamping said barrel and supporting member in operative relation, topermit free rotation of said barrel.

In witness whereof I hereto afiix my signature in presence of twowitnesses.

CHARLES MOUKOS.

Witnesses:

A. J. ZEALLEY, BOYNTON LEACII.

